# iAlarm Plus vs M

The clearest difference is iOS requirement: iAlarm Plus at 8.0 against M's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iAlarm Plus ships an update every 6 weeks, M every 2 months. The most recent releases landed on September 20, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | iAlarm Plus | M |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 14 MB | 24 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [春辉 麻](https://appshunter.io/developer/1020525759) | [SYSGRATION](https://appshunter.io/developer/833548921) |

## What reviewers say

### iAlarm Plus

[App page](https://appshunter.io/ios/app/ialarm-plus/id1242660649)

**Features:** macOS Compatibility

**In-app purchases:** none


### M

[App page](https://appshunter.io/ios/app/m-tpms/id1444398690)

**In-app purchases:** none


## Frequently asked questions

### Is iAlarm Plus free?

iAlarm Plus is free to download, with no in-app purchases.

### Is M free?

M is free to download, with no in-app purchases.

### Do iAlarm Plus or M have ads?

Neither iAlarm Plus nor M shows ads.

### Which is updated more often, iAlarm Plus or M?

iAlarm Plus ships an update every 6 weeks, and M every 2 months. Most recently, iAlarm Plus was updated on September 20, 2026 and M on October 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*